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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, January 18, 2018 19:38:09

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NOAA Scales mini

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Space Weather Conditions
24-Hour Observed Maximums
R
no data
S
no data
G
no data
Latest Observed
R
no data
S
no data
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
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R
no data
S
no data
G
no data
Current Space Weather Conditions
R1 (Minor) Radio Blackout Impacts
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HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales

G2 (Moderate) geomagnetic storm conditions met

Ovation Auroral oval forecast/G2 Alert
G2 (Moderate) geomagnetic storm conditions met
published: Thursday, April 20, 2017 18:49 UTC

G2-Moderate geomagnetic storm conditions were observed at 20/0433 UTC (20 Apr 0030 EDT) due to continued coronal hole effects.

Stay tuned here for updates.